I've now completed this trip.
The final stats were around 630km with 33,000 metres of ascent, in 15 days.
Day 1 - Friday 29th June
10:25 flight from Edinburgh to Geneva. 15:47 train to St Gingolph via St Maurice.
Started hiking at 6:18pm and made it to Refuge de Bise.
Day 2 - Saturday 30th June
Made it to Samoens. Stayed at Hotel Gai Soleil.
Day 3 - Sunday 1st July
Made it to Chamonix, and stayed at Hotel Le Chaumiere. Cold, wet and rainy in the afternoon.
Day 4 - Monday 2nd July
Stayed at Refuge Plan de la Lai. Cold, wet and rainy in the afternoon.
Day 5 - Tuesday 3rd July
Refuge Entree le Lac above Landry.
Day 6 - Wednesday 4th July
Refuge Roc de la Peche after Pralognan. Cold, wet and rainy in the afternoon.
Day 7 - Thursday 5th July
Refugie I Re Magi (Three Wise Men) after Valfrejus above Modane.
Day 8 - Friday 6th July
Briancon. Hotel Le Parc.
Day 9 - Saturday 7th July
Ceillac - Gite d'Etape.
Day 10 - Sunday 8th July
Larche - Gite d'Etape.
Day 11 - Monday 9th July
Auron. Hotel L'Oustelet.
Day 12 - Tuesday 10th July
Day 13 - Wednesday 11th July
Refuge Madone de Fenetre. Busy.
Day 14 - Thursday 12th July
This was a short little outing of 6h30m from Madone de Fenetre to the Refuge des Merveilles, via Refuge de Nice through some pretty dramatic scenery. I arrived at Merveilles by 1pm, and then dossed around all afternoon It was just as well I had a reservation, since the refuge was fully booked.
Day 15 - Friday 13th July
The final day began at dusk just before 5:30am, and I arrived at Menton in baking heat just before 5:30pm.